
public class Welcome {
	
	public static void main(String[] args)
	{
		//System.out .print("ustc\n");
		//System.out.println ("I'm ZR");
		
	    /*byte a;
	      a=3;
	      a= (byte)(a+2);
	      System.out.println(a);*/
		
		  //short b;
		  //int c;         //4 bytes
		  //long d;        // 8 bytes
		  //char e;        //2 bytes,0~65535, 1 byte in C
		  //e = 'm';
		  //System.out .println(e);
		  //float f;        // 4 bytes
		  //f=1.35f;
		  //System.out.println(f);
		  //double g;     //8 bytes
		  //boolean bool;
		 // bool=true;
		  //System.out .println(bool);
		  
		  //int[] num = new int[]{1,2,3}; //OK!
		  //int[] num = new int[3]{1,2,3}; //error!
		  //num = new int[3];
		  //num = {1,2,3};   //error!
		  
		  //standard
		  /*int[] num;
		  num = new int[3];
		  num[0]=1;
		  num[1]=2;
		  num[2]=3;
		  System.out .println(num[0]);
		  System.out .println(num[1]);
		  System.out .println(num[2]);*/
		  
		  /*int[][]num;
		  num = new int[3][4];
		  num[0][1]=12;
		  num[2][3]=34;
		  System.out .println(num[2][3]);
		  System.out .println(num[2][2]);*/
		  
		  /*int[][] num;
		  num = new int[3][];
		  num[0]=new int[5];
		  num[1]=new int[3];
		  num[2]=new int[2];
		  
		  num[0][4]=45;   //max in line1
		  num[1][2]=34;
		  num[2][1]=21;
		  System.out .println(num[0][0]);
		  System.out .println(num[0][4]);
		  System.out .println(num[2][1]);*/
		  
		  //int[][]num = new int[][]{{2,13,23},{343}};        //ok
		  //int[][]array = {{1},{32}};
		  
		  int i=3;
		  int count= (i++)+(i++)+(i++);    //3+4+5
		  System.out .println(count);

		  
		  
		  
		  
		  
		  
		  
		  
	
	}

}


